@UKJK... Dude, that is brutal and completely unacceptable. If the export is different than the mix every time what's the point of even mixing? You really should get that worked out. Hell I'd call Cake just to see if they could point you in the right direction (I will if this keeps happening). Good luck.
Anyway... I notice that for some reason the stereo interleave on all of my tracks except for the BFD tracks and one of my three bass tracks is turned off. I did not turn them off. I just inserted the tracks normally and they must have defaulted to that. WTH? They are mono tracks. My rhythm guitar tracks (the ones that are getting eaten) are panned hard right and left (two tracks). I'm thinking this may be the problem but now I'm worried if I turn them on it's going to completely change the sound and I'll have to redo the whole mix... after ACHING over it for far too long. Ugh...
Anyone got some input here?